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-rw-r--r--kconfiglib.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/kconfiglib.py b/kconfiglib.py
index 47f4ba2..1da33e6 100644
--- a/kconfiglib.py
+++ b/kconfiglib.py
@@ -2094,7 +2094,7 @@ set_re = re.compile(r"CONFIG_(\w+)=(.*)")
unset_re = re.compile(r"# CONFIG_(\w+) is not set")
# Regular expression for finding $-references to symbols in strings
-sym_ref_re = re.compile(r"\$[A-Za-z_]+")
+sym_ref_re = re.compile(r"\$[A-Za-z0-9_]+")
# Integers representing symbol types
UNKNOWN, BOOL, TRISTATE, STRING, HEX, INT = range(0, 6)